21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2021-01-23 05:14:06 S 08 06 46.709 +13 56 48.73 V C57
2021-01-23 05:14:06 s 1 -170107.10 5 +302452.91 5440.0 C57
2021-01-23 05:24:06 S 08 06 45.799 +13 56 43.08 V C57
2021-01-23 05:24:06 s 1 -170323.55 3 +302036.20 3290.0 C57
2021-01-23 05:34:06 S 08 06 44.777 +13 56 36.71 V C57
2021-01-23 05:34:06 s 1 -170539.42 2 +301618.46 150.0 C57
2021-01-23 05:44:07 S 08 06 43.786 +13 56 31.27 V C57
2021-01-23 05:44:07 s 1 -170754.70 9 +301199.69 6010.0 C57
2021-01-23 05:54:06 S 08 06 42.694 +13 56 25.15 V C57
2021-01-23 05:54:06 s 1 -170969.41 3 +300779.89 860.0 C57
2021-01-23 06:04:07 S 08 06 41.870 +13 56 19.86 V C57
2021-01-23 06:04:07 s 1 -171183.53 2 +300359.06 4710.0 C57
2021-01-23 06:14:06 S 08 06 40.891 +13 56 12.08 V C57
2021-01-23 06:14:06 s 1 -171397.06 3 +299937.19 7540.0 C57
2021-01-23 06:24:07 S 08 06 39.898 +13 56 07.44 V C57
2021-01-23 06:24:07 s 1 -171610.00 5 +299514.29 9370.0 C57
2021-01-23 06:34:06 S 08 06 38.945 +13 56 02.08 V C57
2021-01-23 06:34:06 s 1 -171822.35 4 +299090.36 170.0 C57
2021-01-23 06:44:06 S 08 06 38.009 +13 55 56.86 V C57
2021-01-23 06:44:06 s 1 -172034.11 1 +298665.40 9960.0 C57
2021-01-23 06:54:06 S 08 06 36.895 +13 55 49.15 V C57
2021-01-23 06:54:06 s 1 -172245.27 1 +298239.40 8720.0 C57
2021-01-23 07:04:06 S 08 06 35.966 +13 55 43.50 V C57
2021-01-23 07:04:06 s 1 -172455.83 4 +297812.36 6450.0 C57
2021-01-23 07:14:07 S 08 06 35.064 +13 55 37.88 V C57
2021-01-23 07:14:07 s 1 -172665.79 6 +297384.29 3150.0 C57
2021-01-23 07:24:06 S 08 06 34.073 +13 55 32.63 V C57
2021-01-23 07:24:06 s 1 -172875.15 6 +296955.18 8820.0 C57
2021-01-23 07:34:07 S 08 06 33.053 +13 55 26.62 V C57
2021-01-23 07:34:07 s 1 -173083.91 3 +296525.03 3440.0 C57
2021-01-23 07:44:06 S 08 06 32.078 +13 55 20.93 V C57
2021-01-23 07:44:06 s 1 -173292.06 2 +296093.84 7020.0 C57
2021-01-23 07:54:06 S 08 06 31.135 +13 55 14.59 V C57
2021-01-23 07:54:06 s 1 -173499.60 3 +295661.61 9560.0 C57
2021-01-23 08:04:06 S 08 06 30.190 +13 55 08.29 V C57
2021-01-23 08:04:06 s 1 -173706.53 4 +295228.33 1040.0 C57
2021-01-23 08:14:06 S 08 06 29.170 +13 55 03.50 V C57
2021-01-23 08:14:06 s 1 -173912.85 1 +294794.02 1470.0 C57
2021-01-23 08:24:06 S 08 06 28.274 +13 54 57.89 V C57
2021-01-23 08:24:06 s 1 -174118.55 4 +294358.66 840.0 C57
2021-01-23 08:34:06 S 08 06 27.209 +13 54 50.69 V C57
2021-01-23 08:34:06 s 1 -174323.63 9 +293922.26 9150.0 C57
2021-01-23 08:44:07 S 08 06 26.158 +13 54 45.86 V C57
2021-01-23 08:44:07 s 1 -174528.10 5 +293484.82 6390.0 C57
2021-01-23 08:54:06 S 08 06 25.313 +13 54 38.92 V C57
2021-01-23 08:54:06 s 1 -174731.94 9 +293046.33 2560.0 C57
2021-01-23 09:04:07 S 08 06 24.382 +13 54 34.09 V C57
2021-01-23 09:04:07 s 1 -174935.17 0 +292606.79 7660.0 C57
2021-01-23 09:14:06 S 08 06 23.256 +13 54 24.62 V C57
2021-01-23 09:14:06 s 1 -175137.76 4 +292166.21 1670.0 C57